:root {
  --ink: #142421;
  --deep: #102c2a;
  --deep-2: #183a37;
  --lime: #d7ff45;
  --lime-dark: #b8df2f;
  --cream: #f5f3ea;
  --paper: #fbfaf6;
  --white: #fff;
  --muted: #62716d;
  --line: #dce2dd;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(16, 44, 42, .14);
  --container: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; }
button { color: inherit; }
.container { width: var(--container); margin-inline: auto; }
.section { padding: 112px 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; z-index: 999; top: 12px; left: 12px;
  padding: 10px 16px; border-radius: 8px; background: var(--lime); color: var(--deep);
  transform: translateY(-150%); transition: transform .2s;
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #7fab14; outline-offset: 4px; }

h1, h2, h3, .brand, .button {
  font-family: "Segoe UI", Arial, sans-serif;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 760px; margin-bottom: 26px;
  font-size: clamp(3rem, 6vw, 5.7rem); line-height: .98; letter-spacing: -.065em;
}
h1 em { color: var(--deep-2); font-style: normal; position: relative; white-space: nowrap; }
h1 em::after {
  content: ""; position: absolute; z-index: -1; left: -2%; right: -3%; bottom: 3%;
  height: 21%; background: var(--lime); transform: rotate(-1.3deg); border-radius: 3px;
}
h2 {
  margin-bottom: 20px; font-size: clamp(2.25rem, 4.2vw, 4rem);
  line-height: 1.08; letter-spacing: -.05em;
}
h3 { margin-bottom: 10px; font-size: 1.28rem; line-height: 1.3; letter-spacing: -.025em; }
p:last-child { margin-bottom: 0; }
.overline, .eyebrow {
  margin-bottom: 18px; color: #4c655f; font-size: .76rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--deep); }
.eyebrow span { width: 28px; height: 2px; background: var(--deep); }
.section-heading { margin-bottom: 60px; }
.section-heading > p:not(.overline) { color: var(--muted); }
.split-heading {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px, .65fr);
  gap: 80px; align-items: end;
}
.split-heading h2 { max-width: 730px; margin-bottom: 0; }
.split-heading > p { margin-bottom: 8px; }
.centered { max-width: 800px; margin-inline: auto; text-align: center; }

.site-header {
  position: fixed; z-index: 100; top: 0; left: 0; width: 100%;
  border-bottom: 1px solid transparent; transition: background .2s, border .2s, box-shadow .2s;
}
.site-header.scrolled {
  border-color: rgba(16, 44, 42, .08); background: rgba(251, 250, 246, .92);
  box-shadow: 0 8px 35px rgba(16, 44, 42, .06); backdrop-filter: blur(16px);
}
.header-inner { height: 78px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 1.02rem; font-weight: 800; letter-spacing: -.035em; }
.brand-mark {
  display: grid; width: 40px; height: 40px; place-items: center;
  border-radius: 50%; color: var(--deep); background: var(--lime);
}
.brand-mark svg { width: 25px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.brand-dot { color: #79a500; }
.main-nav { display: flex; align-items: center; gap: 29px; }
.main-nav a { font-size: .88rem; font-weight: 600; transition: color .2s; }
.main-nav a:hover { color: #60810a; }
.main-nav .nav-partner {
  padding: 10px 15px; border: 1px solid rgba(16, 44, 42, .15); border-radius: 999px;
}
.nav-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; }
.nav-toggle span:not(.sr-only) { display: block; width: 23px; height: 2px; margin: 5px auto; background: var(--deep); transition: .2s; }

.hero {
  position: relative; min-height: 790px; padding: 158px 0 80px;
  overflow: hidden; background: linear-gradient(135deg, #f9f8f3 0%, #eff3e9 100%);
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent, #cdd7ce, transparent);
}
.hero-glow {
  position: absolute; top: -20%; right: -12%; width: 60vw; height: 60vw;
  border-radius: 50%; background: radial-gradient(circle, rgba(215, 255, 69, .33), transparent 68%);
}
.hero-grid {
  position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr;
  gap: clamp(40px, 6vw, 90px); align-items: center;
}
.hero-lead { max-width: 630px; margin-bottom: 34px; color: #52635e; font-size: 1.16rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 54px; padding: 13px 21px; border: 1px solid transparent; border-radius: 12px;
  font-size: .9rem; font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--deep); box-shadow: 0 12px 30px rgba(16, 44, 42, .18); }
.button-primary:hover { box-shadow: 0 17px 35px rgba(16, 44, 42, .24); }
.button-ghost { border-color: #cdd7ce; background: rgba(255,255,255,.6); }
.button-dark { color: var(--deep); background: var(--lime); }
.hero-facts {
  display: flex; gap: 26px; margin: 48px 0 0; padding: 24px 0 0;
  border-top: 1px solid #d7dfd7; list-style: none;
}
.hero-facts li { color: #52635e; font-size: .82rem; font-weight: 600; }
.hero-facts span { margin-right: 6px; color: #87a419; font-family: "Segoe UI", Arial, sans-serif; font-weight: 800; }
.hero-visual { position: relative; }
.visual-card {
  position: relative; min-height: 560px; padding: 28px;
  border: 1px solid rgba(255,255,255,.75); border-radius: 32px;
  background: linear-gradient(160deg, var(--deep-2), #09211f); box-shadow: var(--shadow);
  overflow: hidden;
}
.visual-card::before {
  content: ""; position: absolute; width: 300px; height: 300px; right: -130px; top: -110px;
  border: 1px solid rgba(215, 255, 69, .18); border-radius: 50%;
  box-shadow: 0 0 0 45px rgba(215, 255, 69, .035), 0 0 0 90px rgba(215, 255, 69, .025);
}
.visual-topline {
  position: relative; z-index: 2; display: flex; justify-content: space-between;
  color: rgba(255,255,255,.65); font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
}
.status { display: flex; align-items: center; gap: 7px; }
.status i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(215,255,69,.1); }
.bike-illustration { position: absolute; inset: 70px 14px auto; width: calc(100% - 28px); }
.bike-illustration * { vector-effect: non-scaling-stroke; }
.floor-line { fill: none; stroke: rgba(255,255,255,.15); stroke-width: 2; }
.floor-shadow { fill: rgba(0,0,0,.2); }
.wheel-outer { fill: rgba(215,255,69,.07); stroke: url(#wheelFill); stroke-width: 9; }
.wheel-inner { fill: none; stroke: rgba(255,255,255,.11); stroke-width: 2; stroke-dasharray: 6 8; }
.wheel-core { fill: var(--lime); }
.bike-frame { fill: none; stroke: #f2f6eb; stroke-width: 9; stroke-linecap: round; stroke-linejoin: round; }
.bike-frame.thin { stroke: rgba(242,246,235,.75); stroke-width: 7; }
.seat { fill: none; stroke: var(--lime); stroke-width: 15; stroke-linecap: round; }
.handle, .screen-line { fill: none; stroke: #f2f6eb; stroke-width: 8; stroke-linecap: round; }
.screen { fill: var(--lime); }
.screen-line { stroke: var(--deep); stroke-width: 4; }
.pedal { fill: var(--deep); stroke: var(--lime); stroke-width: 4; }
.pedal-arm { fill: none; stroke: #f2f6eb; stroke-width: 5; stroke-linecap: round; }
.metric-card {
  position: absolute; z-index: 3; left: 28px; right: 28px; bottom: 28px;
  padding: 20px 22px; border: 1px solid rgba(255,255,255,.1); border-radius: 16px;
  background: rgba(255,255,255,.07); backdrop-filter: blur(9px);
}
.metric-label { display: block; color: rgba(255,255,255,.55); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
.metric-card strong { color: var(--white); font-family: "Segoe UI", Arial, sans-serif; font-size: 1.25rem; }
.metric-bars { position: absolute; right: 22px; bottom: 23px; display: flex; align-items: end; gap: 4px; height: 27px; }
.metric-bars i { display: block; width: 6px; border-radius: 3px; background: var(--lime); }
.metric-bars i:nth-child(1) { height: 35%; }.metric-bars i:nth-child(2) { height: 52%; }.metric-bars i:nth-child(3) { height: 75%; }
.metric-bars i:nth-child(4) { height: 100%; }.metric-bars i:nth-child(5) { height: 66%; opacity: .35; }
.floating-note {
  position: absolute; right: -28px; top: 55px; display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border: 1px solid rgba(16,44,42,.08); border-radius: 12px;
  background: var(--white); box-shadow: 0 13px 30px rgba(16,44,42,.12); font-size: .8rem; font-weight: 700;
}
.floating-note span { display: grid; width: 22px; height: 22px; place-items: center; border-radius: 50%; background: var(--lime); }

.search-band { background: var(--lime); }
.search-inner { min-height: 154px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 55px; align-items: center; }
.search-inner h2 { margin: 0; font-size: clamp(1.45rem, 2.4vw, 2.1rem); }
.search-inner .overline { margin-bottom: 5px; color: #53640f; }
.product-search { position: relative; display: flex; padding: 7px; border-radius: 15px; background: var(--white); box-shadow: 0 12px 35px rgba(77,96,12,.12); }
.product-search svg { position: absolute; left: 21px; top: 50%; width: 20px; fill: none; stroke: #61706c; stroke-width: 2; transform: translateY(-50%); }
.product-search input {
  width: 100%; min-width: 0; padding: 12px 14px 12px 48px; border: 0; outline: 0; background: transparent; color: var(--ink);
}
.product-search button {
  flex: 0 0 auto; padding: 11px 18px; border: 0; border-radius: 10px;
  color: var(--white); background: var(--deep); font-weight: 700; cursor: pointer;
}

.benefits { background: var(--paper); }
.benefit-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.benefit-card {
  position: relative; grid-column: span 2; min-height: 295px; padding: 29px;
  border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.55);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.benefit-card:nth-child(4) { grid-column: 2 / span 2; }
.benefit-card:hover { transform: translateY(-5px); border-color: #bcc8bd; box-shadow: 0 17px 45px rgba(16,44,42,.08); }
.benefit-card.featured { color: var(--white); border-color: var(--deep); background: var(--deep); }
.benefit-card p { color: var(--muted); font-size: .94rem; }
.benefit-card.featured p { color: rgba(255,255,255,.68); }
.card-number { position: absolute; top: 26px; right: 26px; color: #97a29f; font-family: "Segoe UI", Arial, sans-serif; font-size: .75rem; font-weight: 700; }
.featured .card-number { color: rgba(255,255,255,.4); }
.icon-box {
  display: grid; width: 50px; height: 50px; margin-bottom: 38px; place-items: center;
  border-radius: 13px; background: #edf2e9; color: var(--deep);
}
.featured .icon-box { background: var(--lime); }
.icon-box svg { width: 26px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.types { background: #edf0e9; }
.type-list { border-top: 1px solid #cbd3cb; }
.type-item {
  display: grid; grid-template-columns: 70px minmax(0, 1fr) 220px; gap: 30px; align-items: center;
  padding: 34px 12px; border-bottom: 1px solid #cbd3cb; transition: background .2s, padding .2s;
}
.type-item:hover { padding-inline: 25px; background: rgba(255,255,255,.45); }
.type-index { color: #81918c; font-family: "Segoe UI", Arial, sans-serif; font-size: .74rem; font-weight: 700; }
.type-main { display: grid; grid-template-columns: minmax(190px, .55fr) minmax(300px, 1fr); gap: 25px; align-items: center; }
.type-main h3 { margin: 0; font-size: 1.55rem; }
.type-main p:not(.type-tag) { margin: 0; color: var(--muted); font-size: .93rem; }
.type-tag { grid-column: 1; margin: 0 0 4px; color: #6d8419; font-size: .69rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.type-main h3 { grid-column: 1; }
.type-main p:not(.type-tag) { grid-column: 2; grid-row: 1 / span 2; }
.text-link { justify-self: end; color: var(--deep); font-size: .83rem; font-weight: 700; border-bottom: 1px solid #9aaa9f; }
.text-link span { color: #708c10; }

.buying { background: var(--deep); color: var(--white); }
.buying-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; }
.buying-intro { position: sticky; top: 125px; align-self: start; }
.buying-intro .overline { color: var(--lime); }
.buying-intro > p:not(.overline) { color: rgba(255,255,255,.65); }
.buying-intro .button { margin-top: 17px; }
.measure-note { display: flex; gap: 14px; margin-top: 45px; padding-top: 27px; border-top: 1px solid rgba(255,255,255,.13); }
.measure-note p { color: rgba(255,255,255,.64); font-size: .84rem; }
.measure-note strong { display: block; margin-bottom: 2px; color: var(--white); }
.measure-icon { display: grid; flex: 0 0 38px; height: 38px; place-items: center; border-radius: 50%; color: var(--deep); background: var(--lime); }
.checklist { border-top: 1px solid rgba(255,255,255,.15); }
.checklist article { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 30px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.checklist article > span { display: grid; width: 39px; height: 39px; place-items: center; border: 1px solid rgba(215,255,69,.4); border-radius: 50%; color: var(--lime); font-size: .72rem; font-weight: 700; }
.checklist h3 { margin-bottom: 6px; color: var(--lime); }
.checklist p { color: rgba(255,255,255,.65); font-size: .94rem; }

.training { background: var(--paper); }
.training-shell { padding: 58px; border-radius: 30px; color: var(--white); background: #173936; box-shadow: var(--shadow); }
.training-heading { display: grid; grid-template-columns: 1fr .65fr; gap: 60px; align-items: end; margin-bottom: 45px; }
.training-heading h2 { margin: 0; }
.training-heading > p { color: rgba(255,255,255,.65); }
.overline.light { color: var(--lime); }
.plan-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,255,255,.13); border-radius: 18px; overflow: hidden; }
.plan-grid article { min-height: 330px; padding: 27px 24px; border-right: 1px solid rgba(255,255,255,.13); background: rgba(255,255,255,.025); }
.plan-grid article:last-child { border-right: 0; }
.week { display: flex; align-items: center; justify-content: space-between; margin-bottom: 45px; }
.week span { color: rgba(255,255,255,.45); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
.week strong { color: var(--lime); font-size: 1.6rem; line-height: 1; }
.plan-grid h3 { font-size: 1.16rem; }
.plan-grid p { color: rgba(255,255,255,.61); font-size: .84rem; }
.plan-grid .plan-dose { color: var(--white); }
.plan-dose strong { color: var(--lime); }
.intensity {
  display: inline-block; margin-top: 6px; padding: 5px 9px; border: 1px solid rgba(215,255,69,.25);
  border-radius: 999px; color: var(--lime); font-size: .66rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.training-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 22px; }
.training-notes > div { display: flex; gap: 15px; padding: 21px; border-radius: 14px; background: rgba(255,255,255,.06); }
.training-notes p { color: rgba(255,255,255,.65); font-size: .83rem; }
.training-notes strong { display: block; color: var(--white); }
.note-icon { display: grid; flex: 0 0 33px; height: 33px; place-items: center; border: 1px solid rgba(215,255,69,.32); border-radius: 50%; color: var(--lime); }
.health-note { display: flex; gap: 14px; margin-top: 22px; padding: 18px 20px; border-left: 3px solid var(--lime); background: rgba(215,255,69,.07); }
.health-note svg { flex: 0 0 23px; fill: none; stroke: var(--lime); stroke-width: 2; stroke-linecap: round; }
.health-note p { color: rgba(255,255,255,.7); font-size: .82rem; }
.health-note strong { color: var(--white); }

.partner-section { padding-top: 0; }
.partner-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 60px; align-items: center; }
.partner-grid h2 { font-size: clamp(2rem, 3.5vw, 3.3rem); }
.partner-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.partner-card { position: relative; min-height: 265px; padding: 27px; border-radius: var(--radius); color: var(--white); background: var(--deep); transition: transform .2s; }
.partner-card:hover { transform: translateY(-5px); }
.partner-card.mv-card { color: var(--deep); background: var(--lime); }
.partner-kicker { display: block; margin-bottom: 38px; color: rgba(255,255,255,.55); font-size: .69rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.mv-card .partner-kicker { color: #5e7015; }
.partner-card strong { display: block; margin-bottom: 8px; font-family: "Segoe UI", Arial, sans-serif; font-size: 1.55rem; }
.partner-card p { max-width: 270px; color: rgba(255,255,255,.62); font-size: .84rem; }
.mv-card p { color: #4e5f19; }
.partner-arrow { position: absolute; right: 25px; top: 22px; font-size: 1.2rem; }

.faq { background: #edf0e9; }
.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.accordion { border-top: 1px solid #bec8bf; }
.accordion article { border-bottom: 1px solid #bec8bf; }
.accordion button {
  display: flex; width: 100%; justify-content: space-between; align-items: center; gap: 20px;
  padding: 24px 0; border: 0; background: transparent; text-align: left; font-family: "Segoe UI", Arial, sans-serif; font-weight: 700; cursor: pointer;
}
.accordion button i { position: relative; flex: 0 0 28px; width: 28px; height: 28px; border: 1px solid #99a89f; border-radius: 50%; }
.accordion button i::before, .accordion button i::after { content: ""; position: absolute; left: 8px; top: 13px; width: 10px; height: 1px; background: var(--deep); }
.accordion button i::after { transform: rotate(90deg); transition: transform .2s; }
.accordion button[aria-expanded="true"] i::after { transform: rotate(0); }
.answer { padding: 0 45px 22px 0; color: var(--muted); font-size: .92rem; }
.sources { padding: 26px 0; border-top: 1px solid var(--line); background: var(--paper); }
.source-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.source-inner p { max-width: 700px; color: var(--muted); font-size: .76rem; }
.source-inner div { display: flex; gap: 20px; }
.source-inner a { white-space: nowrap; color: var(--deep); font-size: .75rem; font-weight: 700; border-bottom: 1px solid #aab7ae; }

.site-footer { color: rgba(255,255,255,.68); background: #091f1d; }
.footer-top { display: grid; grid-template-columns: .7fr 1.1fr .35fr; gap: 50px; align-items: center; padding-top: 53px; padding-bottom: 48px; }
.footer-brand { color: var(--white); }
.footer-top p { max-width: 470px; font-size: .85rem; }
.back-top { justify-self: end; color: var(--white); font-size: .8rem; font-weight: 700; }
.back-top span { display: inline-grid; width: 30px; height: 30px; margin-left: 7px; place-items: center; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 20px; padding-bottom: 25px; border-top: 1px solid rgba(255,255,255,.1); font-size: .74rem; }
.footer-bottom nav { display: flex; gap: 23px; }
.footer-bottom a:hover { color: var(--lime); }

@media (max-width: 1050px) {
  .main-nav { gap: 18px; }
  .main-nav a { font-size: .8rem; }
  .hero-grid { grid-template-columns: 1fr  .82fr; }
  .visual-card { min-height: 500px; }
  .benefit-card { grid-column: span 3; }
  .benefit-card:nth-child(4) { grid-column: span 3; }
  .benefit-card:last-child { grid-column: 2 / span 4; }
  .type-item { grid-template-columns: 50px 1fr; }
  .type-main { grid-template-columns: .55fr 1fr; }
  .type-item .text-link { grid-column: 2; justify-self: start; }
  .buying-grid { gap: 55px; }
  .training-shell { padding: 42px 30px; }
  .plan-grid { grid-template-columns: 1fr 1fr; }
  .plan-grid article:nth-child(2) { border-right: 0; }
  .plan-grid article:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.13); }
}

@media (max-width: 820px) {
  :root { --container: min(100% - 30px, 680px); }
  .section { padding: 80px 0; }
  .nav-toggle { display: block; position: relative; z-index: 102; }
  .nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(2) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(3) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(4) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav {
    position: fixed; z-index: 101; inset: 0; display: flex; flex-direction: column;
    justify-content: center; gap: 20px; padding: 90px 30px 40px; background: var(--paper);
    transform: translateX(100%); transition: transform .25s;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { font-size: 1.25rem; }
  .main-nav .nav-partner { margin-top: 20px; }
  .hero { padding-top: 125px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .eyebrow, .hero-actions { justify-content: center; }
  .hero-lead { margin-inline: auto; }
  .hero-facts { justify-content: center; }
  .hero-visual { width: min(100%, 520px); margin-inline: auto; }
  .search-inner { grid-template-columns: 1fr; gap: 20px; padding: 32px 0; }
  .split-heading, .buying-grid, .training-heading, .partner-grid, .faq-grid { grid-template-columns: 1fr; gap: 35px; }
  .buying-intro { position: static; }
  .training-heading { align-items: start; }
  .partner-cards { max-width: 650px; }
  .faq-grid { gap: 25px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-top p { grid-column: 1 / -1; grid-row: 2; }
  .back-top { grid-column: 2; grid-row: 1; }
}

@media (max-width: 580px) {
  body { font-size: 16px; }
  h1 { font-size: clamp(2.7rem, 14vw, 4rem); }
  h1 em { white-space: normal; }
  .hero { padding-bottom: 60px; }
  .hero-facts { display: grid; grid-template-columns: 1fr; gap: 8px; text-align: left; }
  .visual-card { min-height: 430px; padding: 20px; border-radius: 23px; }
  .bike-illustration { top: 60px; }
  .metric-card { left: 19px; right: 19px; bottom: 19px; }
  .floating-note { right: -4px; top: 48px; }
  .product-search { display: grid; grid-template-columns: 1fr; }
  .product-search button { width: 100%; }
  .product-search svg { top: 28px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-card, .benefit-card:nth-child(4), .benefit-card:last-child { grid-column: 1; min-height: 0; }
  .type-item { grid-template-columns: 35px 1fr; padding: 25px 0; gap: 12px; }
  .type-item:hover { padding-inline: 8px; }
  .type-main { grid-template-columns: 1fr; gap: 8px; }
  .type-main .type-tag, .type-main h3, .type-main p:not(.type-tag) { grid-column: 1; grid-row: auto; }
  .type-main p:not(.type-tag) { margin-top: 7px; }
  .training-shell { width: calc(100% + 20px); margin-left: -10px; padding: 35px 18px; border-radius: 22px; }
  .plan-grid { grid-template-columns: 1fr; }
  .plan-grid article { min-height: 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
  .plan-grid article:last-child { border-bottom: 0; }
  .plan-grid article:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.13); }
  .week { margin-bottom: 27px; }
  .training-notes, .partner-cards { grid-template-columns: 1fr; }
  .source-inner, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .source-inner { display: flex; }
  .source-inner div { flex-wrap: wrap; }
  .footer-top { grid-template-columns: 1fr; gap: 22px; }
  .footer-top p, .back-top { grid-column: 1; grid-row: auto; justify-self: start; }
  .footer-bottom nav { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
